This Proto-Brythonic entry contains reconstructed words and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.



From *llugɨd (to see, perceive) (whence Welsh gorllwyn, gorllygaf (to see, perceive)) +‎ *-ad, from Proto-Celtic *luketi, from Proto-Indo-European *luk-é-ti (to shine), from *lewk- (to shine) +‎ *-éti.[1][2][3][4] Cognate with Latin lūcēs (eyes), Sanskrit लोचन (locana, eye).



  1. eye


  • Old Breton: lagat
  • Old Cornish: lagat
  • Old Welsh: licat


  1. ^ Matasović, Ranko (2009), “*lowko-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, pages 245-246
  2. ^ Falileyev, Alexander (2000), “licat”, in Etymological Glossary of Old Welsh (Buchreihe der Zeitschrift für celtische Philologie; 18), Walter de Gruyter, →ISBN, page 103
  3. ^ Koch, John (2004), “*lukato-”, in English–Proto-Celtic Word-list with attested comparanda, University of Wales Centre for Advanced Welsh & Celtic Studies, page 112
  4. ^ R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950-), “llygad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
  5. ^ Schrijver, Peter C. H. (1995) Studies in British Celtic historical phonology (Leiden studies in Indo-European; 5), Amsterdam, Atlanta: Rodopi, page 166